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The Visit of the British Iron and Steel Institute

Floating Steam-Propelled Islands of Steel

Manufacture of Plate Glass at Kokomo, Indiana

By H. C. Hovey

The Daguerre Memorial

An Improved Cylinder Head for Rock Drills

A Simple and Readily Applied Knife Guard

An Improved Saw Mill Dog

An Improved Car Coupling

The U. S. Steel Cruiser San Francisco

The Howling Monkeys and the Pinches in the Berlin Zoological Garden

Trial of the New Jackson Jet Boat Evolution

A Tension Indicator for Yarn Dressers

An Engineer's Valve for Air Brakes

An Improved Cistern

To Inventors - October 18, 1890


  • Letters

    Correspondence- October 18, 1890

  • Departments

    Notes & Queries- October 18, 1890

  • Business and Personal- October 18, 1890

  • Recently Patented Inventions - October 18, 1890

  • Index of Inventions- October 18, 1890

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October 18, 1890

Science for the Modern World